// SPDX-License-Identifier: MIT pragma solidity ^0.8.9; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol"; import "@openzeppelin/contracts/security/Pausable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20FlashMint.sol"; abstract contract AbstractGrans is ERC20, ERC20Burnable, Pausable, Ownable, ERC20Permit, ERC20Votes, ERC20FlashMint { constructor() ERC20("10Grans", "GRANS") ERC20Permit("10Grans") { } function pause() public onlyOwner { _pause(); } function unpause() public onlyOwner { _unpause(); } function _beforeTokenTransfer(address from, address to, uint256 amount) internal override whenNotPaused { super._beforeTokenTransfer(from, to, amount); } // The following functions are overrides required by Solidity. function _afterTokenTransfer(address from, address to, uint256 amount) internal override(ERC20, ERC20Votes) { super._afterTokenTransfer(from, to, amount); } function _mint(address to, uint256 amount) internal override(ERC20, ERC20Votes) { super._mint(to, amount); } function _burn(address account, uint256 amount) internal override(ERC20, ERC20Votes) { super._burn(account, amount); } function balanceOf(address account) public view virtual override(ERC20) returns (uint256) { return ERC20.balanceOf(account); } function transferFrom(address sender, address recipient, uint256 amount) public virtual override(ERC20) returns (bool) { return ERC20.transferFrom(sender, recipient, amount); } }